The below fix has to be applied after ensuring the bcp files are copied and the native client is installed.
1. Go <HOME>\conf location, open database_params.conf file.
2. Add 'instanceName = <db instance Name>' parameter in the url.
Default url ---> jdbc:jtds:sqlserver://fw-win2k8-1:1433/OpManagerDB
Modified url --> jdbc:jtds:sqlserver://fw-win2k8-1:1433/OpManagerDB;instanceName=SQLEXPRESS
3. Go to <HOME>\lib location, move FirewallService.jar to out of <HOME> folder.
4. Download the attached FirewallService.jar and save it under <HOME>\lib location.
5. Restart service , wait for few minutes and check the reports.